393921471

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{238307}}^1$

素因数の和:238358

約数の個数: 16

約数和(自身を含む): 571939200

約数和(自身を除く): 178017729

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 238307, 714921, 4527833, 6910903, 13583499, 20732709, 131307157, 393921471]

約数ペア:

[(1, 393921471), (3, 131307157), (19, 20732709), (29, 13583499), (57, 6910903), (87, 4527833), (551, 714921), (1653, 238307)]